I have:

ATARI:
Atari 2600 (2x wood finish, 1x black)

NINTENDO:
Nintendo Entertainment System (x2)
Super Nintendo Entertainment System
Nintendo 64 (x3)
Gamecube (1 purple, 1 black)
-Gameboy Player
Wii

Gameboy
-Gameboy Camera
Gameboy Pocket
Gameboy Color
Gameboy Advance
-E-reader
Gameboy Advance SP
Gameboy Micro
DS
DS Lite

SEGA:
Master System
Genesis
Genesis II (x2)
-32X
Saturn
Dreamcast

Game Gear

SONY:
PS One
Playstation 2
Playstation 3

Playstation Portable

MICROSOFT:
Xbox
Xbox 360

SNK:
Neo Geo Pocket Color